/**
 * Copyright (c) 2010 Basil Shikin, LegoCamera Project
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.legocam;



/**
 * This thread is used to poll for device status and update
 * 
 * @author Basil Shikin
 *
 */
public class StatusPollerThread
	extends Thread
{
	private final Camera camera;
	
	public StatusPollerThread( final Camera camera )
	{
		super("status_poller");
		
		this.camera = camera;
	}

	@Override
	public void run()
	{
		while ( camera.isRunning() )
		{
			// Check light sensor
			final int rawLightValue = ExposureUtils.readLightValue( CameraConstants.lightSensor );
			camera.setLightValue( rawLightValue );
			
			// Check body sensor
			camera.setBodyInstalled( CameraConstants.bodySensor.isPressed() );
			
			// Check if we need to take snapshot
			if ( CameraConstants.snapshotButton.isPressed() )
			{
				camera.takeSnapshot();
			}

			
			try
			{
				// Sleep for a little
				sleep( 200 );
			}
			catch (InterruptedException e)
			{
				return;
			}
		}
	}
}
